ICAO Airline Designator & Telephony
SOUTHWEST AIRLINES CO. (SAN ANTONIO, TX)
SMITHKLINE BEACHAM CLINICAL LABS
PHOENIX AIR GROUP, INC. (CARTERSVILLE, GA)
CHEYENNE AIRWAYS, INC. (CHEYENNE, WY)
LECONTE AIRLINES (WRANGELL, AK)
MOUNTAIN AVIATION, INC. (BROOMFIELD, CO)
